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Cheap flights from London Heathrow Airport to San Diego from £268

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to San Diego departing on 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to San Diego

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to San Diego.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport to San Diego? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Diego, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London Heathrow Airport to San Diego

Find recent return train or bus tickets from London Heathrow Airport to San Diego.

All return flight deals from London Heathrow Airport to San Diego

The cheapest plane tickets from London Heathrow Airport to San Diego found on KAYAK recently.
07:40 - 20:23LHR-SAN
19h 43m2 stops
13:00 - 09:40SAN-LHR
13h 40m1 stop
£401Lufthansa
Find Deal
Tue, 18 Mar - Wed, 26 Mar
11:10 - 00:14LHR-SAN
21h 04m2 stops
10:00 - 07:25SAN-LHR
13h 25m1 stop
£409Lufthansa
Find Deal
Tue, 18 Feb - Tue, 25 Feb
12:50 - 16:05LHR-SAN
11h 15mdirect
18:10 - 12:35SAN-LHR
10h 25mdirect
£438British Airways
Find Deal
Wed, 12 Feb - Wed, 19 Feb
12:50 - 16:05LHR-SAN
11h 15mdirect
13:28 - 10:00SAN-LHR
12h 32m1 stop
£444British Airways
Find Deal
Fri, 7 Feb - Wed, 12 Feb
12:50 - 17:05LHR-SAN
11h 15mdirect
13:50 - 12:00SAN-LHR
15h 10m1 stop
£452Finnair
Find Deal
Thu, 13 Mar - Sun, 16 Mar
12:50 - 16:05LHR-SAN
11h 15mdirect
19:10 - 12:35SAN-LHR
10h 25mdirect
£453Finnair
Find Deal
Tue, 25 Feb - Mon, 17 Mar
09:10 - 22:50LHR-SAN
21h 40m2 stops
06:25 - 07:05SAN-LHR
16h 40m1 stop
£458Virgin Atlantic
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Sat, 15 Feb - Sat, 22 Feb
12:10 - 21:13LHR-SAN
17h 03m1 stop
18:10 - 12:35SAN-LHR
10h 25mdirect
£479Iberia
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Sat, 22 Feb - Sat, 1 Mar
15:30 - 23:26LHR-SAN
15h 56m1 stop
18:10 - 12:35SAN-LHR
10h 25mdirect
£509Iberia
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Fri, 18 Apr - Mon, 17 Nov
17:50 - 16:52LHR-SAN
31h 02m2 stops
11:05 - 11:25SAN-LHR
16h 20m1 stop
£510Virgin Atlantic
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Thu, 17 Apr - Thu, 1 May
15:15 - 11:48LHR-SAN
51h 33m3 stops
Mon, 10 Mar
15:15 - 09:01LHR-SAN
49h 46m3 stops
Mon, 24 Feb
12:50 - 16:05LHR-SAN
11h 15mdirect
£449British Airways
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Mon, 17 Feb
12:50 - 16:05LHR-SAN
11h 15mdirect
£463Iberia
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Wed, 12 Feb
12:50 - 16:05LHR-SAN
11h 15mdirect
£464British Airways
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Mon, 10 Feb
08:45 - 16:25LHR-SAN
14h 40m1 stop
£475Lufthansa
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Tue, 18 Mar
12:50 - 17:05LHR-SAN
11h 15mdirect
£475Finnair
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Mon, 10 Mar
07:40 - 16:25LHR-SAN
15h 45m1 stop
£476Lufthansa
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Tue, 25 Mar
12:50 - 16:05LHR-SAN
11h 15mdirect
£494Finnair
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Mon, 24 Feb
12:50 - 17:05LHR-SAN
11h 15mdirect
£509Iberia
Find Deal
Tue, 18 Mar
13:00 - 11:05LHR-SAN
30h 05m1 stop
16:00 - 07:10SAN-LHR
31h 10m2 stops
£453Air Canada
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Tue, 28 Jan - Tue, 4 Feb
10:05 - 19:16LHR-SAN
17h 11m1 stop
18:10 - 12:35SAN-LHR
10h 25mdirect
£464American Airlines
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Tue, 28 Jan - Tue, 4 Feb
12:35 - 22:41LHR-SAN
18h 06m1 stop
18:10 - 12:35SAN-LHR
10h 25mdirect
£497Finnair
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Tue, 28 Jan - Mon, 3 Feb
11:35 - 17:25LHR-SAN
13h 50m1 stop
07:12 - 06:55SAN-LHR
15h 43m1 stop
£535Lufthansa
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Sat, 25 Jan - Thu, 30 Jan
08:20 - 18:17LHR-SAN
17h 57m1 stop
09:29 - 06:20SAN-LHR
12h 51m1 stop
£537Finnair
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Sat, 25 Jan - Thu, 30 Jan
13:50 - 21:03LHR-SAN
15h 13m1 stop
18:10 - 12:35SAN-LHR
10h 25mdirect
£563Iberia
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Sat, 25 Jan - Fri, 31 Jan
11:55 - 20:10LHR-SAN
16h 15m1 stop
18:10 - 12:35SAN-LHR
10h 25mdirect
£594Iberia
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Sat, 25 Jan - Thu, 30 Jan
11:55 - 20:10LHR-SAN
16h 15m1 stop
18:10 - 12:35SAN-LHR
10h 25mdirect
£695British Airways
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Sat, 25 Jan - Thu, 30 Jan
08:40 - 21:06LHR-SAN
20h 26m2 stops
22:10 - 06:25SAN-LHR
24h 15m1 stop
£1,094Virgin Atlantic
Find Deal
Sat, 25 Jan - Thu, 30 Jan
09:25 - 18:17LHR-SAN
16h 52m1 stop
18:10 - 12:35SAN-LHR
10h 25mdirect
£1,099British Airways
Find Deal
Fri, 24 Jan - Thu, 13 Feb
12:50 - 16:05LHR-SAN
11h 15mdirect
19:10 - 12:35SAN-LHR
10h 25mdirect
£432British Airways
Find Deal
Wed, 5 Mar - Wed, 12 Mar
14:55 - 18:00LHR-SAN
11h 05mdirect
19:50 - 14:20SAN-LHR
10h 30mdirect
£435British Airways
Find Deal
Wed, 23 Apr - Sun, 27 Apr
12:50 - 16:05LHR-SAN
11h 15mdirect
19:10 - 12:35SAN-LHR
10h 25mdirect
£451Finnair
Find Deal
Sat, 8 Mar - Thu, 13 Mar
12:50 - 16:05LHR-SAN
11h 15mdirect
19:10 - 12:35SAN-LHR
10h 25mdirect
£453Finnair
Find Deal
Tue, 25 Feb - Mon, 17 Mar
12:50 - 17:05LHR-SAN
11h 15mdirect
19:10 - 12:35SAN-LHR
10h 25mdirect
£454Iberia
Find Deal
Tue, 11 Mar - Tue, 25 Mar
12:50 - 16:05LHR-SAN
11h 15mdirect
18:10 - 12:35SAN-LHR
10h 25mdirect
Mon, 3 Feb - Sun, 16 Feb
12:50 - 16:05LHR-SAN
11h 15mdirect
19:50 - 14:20SAN-LHR
10h 30mdirect
£461Iberia
Find Deal
Sun, 16 Feb - Fri, 23 May
12:50 - 17:05LHR-SAN
11h 15mdirect
19:50 - 14:20SAN-LHR
10h 30mdirect
Mon, 24 Mar - Mon, 31 Mar
12:50 - 16:05LHR-SAN
11h 15mdirect
18:10 - 12:35SAN-LHR
10h 25mdirect
£470American Airlines
Find Deal
Thu, 20 Feb - Thu, 27 Feb
12:50 - 16:05LHR-SAN
11h 15mdirect
18:10 - 12:35SAN-LHR
10h 25mdirect
£472American Airlines
Find Deal
Fri, 7 Feb - Sat, 15 Feb

Virgin Atlantic flights from London Heathrow Airport to San Diego

Our best Virgin Atlantic deals on London Heathrow Airport to San Diego flight tickets
Virgin Atlantic
15 Feb
LHR09:10London Heathrow
21h 40m
2 stops
SAN22:50San Diego
22 Feb
SAN06:25San Diego
16h 40m
1 stop
LHR07:05London Heathrow
Virgin Atlantic
17 Apr
LHR17:50London Heathrow
31h 02m
2 stops
SAN16:52San Diego
1 May
SAN11:05San Diego
16h 20m
1 stop
LHR11:25London Heathrow
Virgin Atlantic
1 Feb
LHR16:45London Heathrow
14h 06m
1 stop
SAN22:51San Diego
6 Feb
SAN07:10San Diego
15h 45m
1 stop
LHR06:55London Heathrow

American Airlines flights from London Heathrow Airport to San Diego

Our best American Airlines deals on London Heathrow Airport to San Diego flight tickets
American Airlines
3 Feb
LHR12:50London Heathrow
11h 15m
SAN16:05San Diego
16 Feb
SAN12:54San Diego
15h 11m
1 stop
LHR12:05London Heathrow
American Airlines
3 Feb
LHR12:50London Heathrow
11h 15m
SAN16:05San Diego
16 Feb
SAN09:52San Diego
13h 28m
1 stop
LHR07:20London Heathrow
American Airlines
15 Feb
LHR11:55London Heathrow
16h 09m
1 stop
SAN20:04San Diego
23 May
SAN11:35San Diego
13h 35m
1 stop
LHR09:10London Heathrow

See travel insights to San Diego from

How to get the cheapest flight ticket from London Heathrow Airport to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you don’t want to visit San Diego in January, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £515.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from London Heathrow Airport to San Diego is on a Wednesday when prices can be found for as low as £607. Flights from London Heathrow Airport to San Diego on a Sunday will generally be more expensive and average around £636. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Diego?

At midday is the cheapest time of day to fly from London Heathrow Airport to San Diego when you can find flight prices for as low as £563. Flying to San Diego at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around £675. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to San Diego flight route?

Fly from London Heathrow to San Diego for the best London Heathrow - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from London Heathrow Airport when booking 2 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around £616 when searching 2 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from London Heathrow Airport for as low as £559 on momondo.

What cabin class options are available on London Heathrow to San Diego flights?

There are 3 cabin classes available to choose from on London Heathrow to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to San Diego flight prices changed over time?

As of January 2025, prices for London Heathrow Airport to San Diego flights are approximately 18% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to San Diego (LHR to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to San Diego

Best price found

£268

Fastest flight time

11h 05m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from London Heathrow Airport in the past 72 hours is £268. The best return flight deal from London Heathrow Airport to San Diego found on momondo in the last 72 hours is £401.
The fastest flight from London Heathrow Airport to San Diego takes 11h 05m
Direct flights go from London Heathrow Airport to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • How far is London Heathrow to San Diego by plane?

    London Heathrow and San Diego are 5468.7 mi apart from one another. In terms of flight time, this usually takes a little over 11h 05m.

  • When did momondo last update prices for flights from London Heathrow Airport to San Diego Airport?

    Prices for flights from London Heathrow Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to San Diego Airport?

  • How old do you have to be to fly from London Heathrow Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London Heathrow Airport to San Diego?

  • What is the most popular airline from London Heathrow Airport to San Diego?


Best airlines flying from London Heathrow Airport to San Diego

Compare and see reviews for airlines that fly from London Heathrow Airport to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £404Free CancellationRating
7.4
1,488 reviews
Search Air France flights
British AirwaysPriceFrom £426Free CancellationRating
6.6
6,824 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £436Free CancellationRating
7.5
663 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom £437Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights
United AirlinesPriceFrom £443Free CancellationRating
7.4
8,970 reviews
Search United Airlines flights
LufthansaPriceFrom £448Free CancellationRating
6.7
7,102 reviews
Search Lufthansa flights
FinnairPriceFrom £457Free CancellationRating
7.6
1,286 reviews
Search Finnair flights
KLMPriceFrom £462Free CancellationRating
7.8
1,338 reviews
Search KLM flights
American AirlinesPriceFrom £479Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom £486Free CancellationRating
7.0
2,644 reviews
Search Iberia flights
  • Alaska Airlines Flights From London Heathrow Airport to San Diego

    Alaska Airlines flies from London Heathrow Airport to San Diego around 7 times per week, with 9,699 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from London Heathrow Airport to San Diego in the last 72 hours was £714 (round-trip), much lower than the average airfare cost of £842 for Alaska Airlines flights on this route.

  • Finnair Flights From London Heathrow Airport to San Diego

    Another popular option for London Heathrow Airport to San Diego flights is Finnair (7.6/10, 1,286 ratings). Finnair flies from London Heathrow Airport to San Diego around 7 times per week, with deals starting from £563 round-trip and rising to an average price of around £778.


Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
National City

Why use momondo?

Why should I use momondo to find a flight deal from London to San Diego?

Finding the right flight to San Diego from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from London to San Diego with flexible booking policies on momondo?

All flight searches from London to San Diego on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Diego.

I’m not ready to book a flight from London to San Diego right now. Can momondo alert me if prices change?

Price alerts on flights to San Diego from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your San Diego trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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